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Fault-tolerant average execution time optimization for general-purpose multi-processor system-on-chips
Linköpings universitet, Institutionen för datavetenskap. Linköpings universitet, Tekniska högskolan.
Supercomputer Education and Research Centre, Indian Institute of Science, India.
Linköpings universitet, Institutionen för datavetenskap, ESLAB - Laboratoriet för inbyggda system. Linköpings universitet, Tekniska högskolan.
2009 (engelsk)Inngår i: Proceedings -Design, Automation and Test in Europe, DATE, 2009, s. 484-489Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Fault-tolerance is due to the semiconductor technology development important, not only for safety-critical systems but also for general-purpose (non-safety critical) systems. However, instead of guaranteeing that deadlines always are met, it is for general-purpose systems important to minimize the average execution time (AET) while ensuring fault-tolerance. For a given job and a soft (transient) error probability, we define mathematical formulas for AET that includes bus communication overhead for both voting (active replication) and rollback-recovery with checkpointing (RRC). And, for a given multi-processor system-on-chip (MPSoC), we define integer linear programming (ILP) models that minimize AET including bus communication overhead when: (1) selecting the number of checkpoints when using RRC, (2) finding the number of processors and job-to-processor assignment when using voting, and (3) defining fault-tolerance scheme (voting or RRC) per job and defining its usage for each job. Experiments demonstrate significant savings in AET.

sted, utgiver, år, opplag, sider
2009. s. 484-489
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-52992DOI: 10.1109/DATE.2009.5090713ISI: 000273246700086ISBN: 978-1-4244-3781-8 (tryckt)OAI: oai:DiVA.org:liu-52992DiVA, id: diva2:286358
Konferanse
2009 Design, Automation and Test in Europe Conference and Exhibition, DATE '09; Nice; France
Tilgjengelig fra: 2010-01-14 Laget: 2010-01-14 Sist oppdatert: 2014-09-08

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